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<div class="title">SparseView.h</div>  </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Copyright (C) 2011-2014 Gael Guennebaud &lt;gael.guennebaud@inria.fr&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// Copyright (C) 2010 Daniel Lowengrub &lt;lowdanie@gmail.com&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160; </div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#ifndef EIGEN_SPARSEVIEW_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#define EIGEN_SPARSEVIEW_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;./InternalHeaderCheck.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceEigen.html">Eigen</a> { </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> MatrixType&gt;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="keyword">struct </span>traits&lt;SparseView&lt;MatrixType&gt; &gt; : traits&lt;MatrixType&gt;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;{</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> MatrixType::StorageIndex StorageIndex;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;  <span class="keyword">typedef</span> Sparse StorageKind;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    Flags = int(traits&lt;MatrixType&gt;::Flags) &amp; (<a class="code" href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">RowMajorBit</a>)</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;  };</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;};</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;} <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> MatrixType&gt;</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classEigen_1_1SparseView.html">   47</a></span>&#160;<span class="keyword">class </span><a class="code" href="classEigen_1_1SparseView.html">SparseView</a> : <span class="keyword">public</span> <a class="code" href="classEigen_1_1SparseMatrixBase.html">SparseMatrixBase</a>&lt;SparseView&lt;MatrixType&gt; &gt;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;{</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> MatrixType::Nested MatrixTypeNested;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;  <span class="keyword">typedef</span> internal::remove_all_t&lt;MatrixTypeNested&gt; MatrixTypeNested_;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="classEigen_1_1SparseMatrixBase.html">SparseMatrixBase&lt;SparseView &gt;</a> <a class="code" href="classEigen_1_1SparseMatrixBase.html">Base</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  EIGEN_SPARSE_PUBLIC_INTERFACE(<a class="code" href="classEigen_1_1SparseView.html">SparseView</a>)</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  <span class="keyword">typedef</span> internal::remove_all_t&lt;MatrixType&gt; NestedExpression;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classEigen_1_1SparseView.html">SparseView</a>(<span class="keyword">const</span> MatrixType&amp; mat, <span class="keyword">const</span> Scalar&amp; reference = Scalar(0),</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                      <span class="keyword">const</span> RealScalar &amp;epsilon = <a class="code" href="structEigen_1_1NumTraits.html">NumTraits&lt;Scalar&gt;::dummy_precision</a>())</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    : m_matrix(mat), m_reference(reference), m_epsilon(epsilon) {}</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  <span class="keyword">inline</span> <a class="code" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> rows()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_matrix.rows(); }</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="keyword">inline</span> <a class="code" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> cols()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_matrix.cols(); }</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  <span class="keyword">inline</span> <a class="code" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> innerSize()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_matrix.innerSize(); }</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  <span class="keyword">inline</span> <a class="code" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> outerSize()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_matrix.outerSize(); }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;  <span class="keyword">const</span> internal::remove_all_t&lt;MatrixTypeNested&gt;&amp;</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classEigen_1_1SparseView.html#aa85f2be275fda7e7bb16829a933910da">   68</a></span>&#160;  <a class="code" href="classEigen_1_1SparseView.html#aa85f2be275fda7e7bb16829a933910da">nestedExpression</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_matrix; }</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;  Scalar reference()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_reference; }</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  RealScalar epsilon()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_epsilon; }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  MatrixTypeNested m_matrix;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  Scalar m_reference;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  RealScalar m_epsilon;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;};</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160; </div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160; </div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">// TODO find a way to unify the two following variants</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">// This is tricky because implementing an inner iterator on top of an IndexBased evaluator is</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">// not easy because the evaluators do not expose the sizes of the underlying expression.</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  </div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> ArgType&gt;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="keyword">struct </span>unary_evaluator&lt;SparseView&lt;ArgType&gt;, IteratorBased&gt;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  : <span class="keyword">public</span> evaluator_base&lt;SparseView&lt;ArgType&gt; &gt;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;{</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> evaluator&lt;ArgType&gt;::InnerIterator EvalIterator;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keyword">typedef</span> SparseView&lt;ArgType&gt; XprType;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keyword">class </span>InnerIterator : <span class="keyword">public</span> EvalIterator</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;      <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        <span class="keyword">typedef</span> <span class="keyword">typename</span> XprType::Scalar Scalar;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        EIGEN_STRONG_INLINE InnerIterator(<span class="keyword">const</span> unary_evaluator&amp; sve, <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> outer)</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;          : EvalIterator(sve.m_argImpl,outer), m_view(sve.m_view)</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;          incrementToNonZero();</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        }</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160; </div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        EIGEN_STRONG_INLINE InnerIterator&amp; operator++()</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        {</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;          EvalIterator::operator++();</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;          incrementToNonZero();</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;          <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        }</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="keyword">using</span> EvalIterator::value;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;      <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keyword">const</span> XprType &amp;m_view;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      <span class="keyword">private</span>:</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keywordtype">void</span> incrementToNonZero()</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        {</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;          <span class="keywordflow">while</span>((<span class="keywordtype">bool</span>(*<span class="keyword">this</span>)) &amp;&amp; internal::isMuchSmallerThan(value(), m_view.reference(), m_view.epsilon()))</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;          {</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;            EvalIterator::operator++();</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;          }</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        }</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    };</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;      CoeffReadCost = evaluator&lt;ArgType&gt;::CoeffReadCost,</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;      Flags = XprType::Flags</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    };</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    </div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keyword">explicit</span> unary_evaluator(<span class="keyword">const</span> XprType&amp; xpr) : m_argImpl(xpr.nestedExpression()), m_view(xpr) {}</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    evaluator&lt;ArgType&gt; m_argImpl;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keyword">const</span> XprType &amp;m_view;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;};</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160; </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> ArgType&gt;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keyword">struct </span>unary_evaluator&lt;SparseView&lt;ArgType&gt;, IndexBased&gt;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  : <span class="keyword">public</span> evaluator_base&lt;SparseView&lt;ArgType&gt; &gt;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;{</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    <span class="keyword">typedef</span> SparseView&lt;ArgType&gt; XprType;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keyword">enum</span> { IsRowMajor = (XprType::Flags&amp;<a class="code" href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">RowMajorBit</a>)==<a class="code" href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">RowMajorBit</a> };</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> XprType::Scalar Scalar;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">typename</span> XprType::StorageIndex StorageIndex;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    </div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="keyword">class </span>InnerIterator</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    {</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160; </div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        EIGEN_STRONG_INLINE InnerIterator(<span class="keyword">const</span> unary_evaluator&amp; sve, <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> outer)</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;          : m_sve(sve), m_inner(0), m_outer(outer), m_end(sve.m_view.innerSize())</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        {</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;          incrementToNonZero();</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        }</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        EIGEN_STRONG_INLINE InnerIterator&amp; operator++()</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        {</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;          m_inner++;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;          incrementToNonZero();</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;          <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        }</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        EIGEN_STRONG_INLINE Scalar value()<span class="keyword"> const</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;          <span class="keywordflow">return</span> (IsRowMajor) ? m_sve.m_argImpl.coeff(m_outer, m_inner)</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;                              : m_sve.m_argImpl.coeff(m_inner, m_outer);</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        }</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        EIGEN_STRONG_INLINE StorageIndex index()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_inner; }</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        <span class="keyword">inline</span> <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> row()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> IsRowMajor ? m_outer : index(); }</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keyword">inline</span> <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> col()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> IsRowMajor ? index() : m_outer; }</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160; </div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        EIGEN_STRONG_INLINE <span class="keyword">operator</span> bool()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_inner &lt; m_end &amp;&amp; m_inner&gt;=0; }</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;      <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        <span class="keyword">const</span> unary_evaluator &amp;m_sve;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> m_inner;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        <span class="keyword">const</span> <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> m_outer;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        <span class="keyword">const</span> <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> m_end;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;      <span class="keyword">private</span>:</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="keywordtype">void</span> incrementToNonZero()</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        {</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;          <span class="keywordflow">while</span>((<span class="keywordtype">bool</span>(*<span class="keyword">this</span>)) &amp;&amp; internal::isMuchSmallerThan(value(), m_sve.m_view.reference(), m_sve.m_view.epsilon()))</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;          {</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            m_inner++;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;          }</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        }</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    };</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    </div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;      CoeffReadCost = evaluator&lt;ArgType&gt;::CoeffReadCost,</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;      Flags = XprType::Flags</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    };</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    </div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    <span class="keyword">explicit</span> unary_evaluator(<span class="keyword">const</span> XprType&amp; xpr) : m_argImpl(xpr.nestedExpression()), m_view(xpr) {}</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    evaluator&lt;ArgType&gt; m_argImpl;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    <span class="keyword">const</span> XprType &amp;m_view;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;};</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160; </div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;} <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160; </div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="group__SparseCore__Module.html#ga320dd291cbf4339c6118c41521b75350">  228</a></span>&#160;<span class="keyword">const</span> <a class="code" href="classEigen_1_1SparseView.html">SparseView&lt;Derived&gt;</a> <a class="code" href="group__SparseCore__Module.html#ga320dd291cbf4339c6118c41521b75350">MatrixBase&lt;Derived&gt;::sparseView</a>(<span class="keyword">const</span> <a class="code" href="classEigen_1_1DenseBase.html#a5feed465b3a8e60c47e73ecce83e39a2">Scalar</a>&amp; reference,</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                                                          <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="structEigen_1_1NumTraits.html">NumTraits&lt;Scalar&gt;::Real</a>&amp; epsilon)<span class="keyword"> const</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;  <span class="keywordflow">return</span> <a class="code" href="classEigen_1_1SparseView.html">SparseView&lt;Derived&gt;</a>(derived(), reference, epsilon);</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;}</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160; </div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="keyword">const</span> <a class="code" href="classEigen_1_1SparseView.html">SparseView&lt;Derived&gt;</a></div>
<div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="classEigen_1_1SparseMatrixBase.html#ac8d0414b56d9d620ce9a698c1b281e5d">  248</a></span>&#160;<a class="code" href="classEigen_1_1SparseMatrixBase.html#ac8d0414b56d9d620ce9a698c1b281e5d">SparseMatrixBase&lt;Derived&gt;::pruned</a>(<span class="keyword">const</span> Scalar&amp; reference,</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;                                  <span class="keyword">const</span> RealScalar&amp; epsilon)<span class="keyword"> const</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  <span class="keywordflow">return</span> <a class="code" href="classEigen_1_1SparseView.html">SparseView&lt;Derived&gt;</a>(derived(), reference, epsilon);</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;}</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;} <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160; </div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassEigen_1_1DenseBase_html_a5feed465b3a8e60c47e73ecce83e39a2"><div class="ttname"><a href="classEigen_1_1DenseBase.html#a5feed465b3a8e60c47e73ecce83e39a2">Eigen::DenseBase::Scalar</a></div><div class="ttdeci">internal::traits&lt; Derived &gt;::Scalar Scalar</div><div class="ttdef"><b>Definition:</b> DenseBase.h:61</div></div>
<div class="ttc" id="aclassEigen_1_1SparseMatrixBase_html"><div class="ttname"><a href="classEigen_1_1SparseMatrixBase.html">Eigen::SparseMatrixBase</a></div><div class="ttdoc">Base class of any sparse matrices or sparse expressions.</div><div class="ttdef"><b>Definition:</b> SparseMatrixBase.h:30</div></div>
<div class="ttc" id="aclassEigen_1_1SparseMatrixBase_html_ac8d0414b56d9d620ce9a698c1b281e5d"><div class="ttname"><a href="classEigen_1_1SparseMatrixBase.html#ac8d0414b56d9d620ce9a698c1b281e5d">Eigen::SparseMatrixBase::pruned</a></div><div class="ttdeci">const SparseView&lt; Derived &gt; pruned(const Scalar &amp;reference=Scalar(0), const RealScalar &amp;epsilon=NumTraits&lt; Scalar &gt;::dummy_precision()) const</div><div class="ttdef"><b>Definition:</b> SparseView.h:248</div></div>
<div class="ttc" id="aclassEigen_1_1SparseView_html"><div class="ttname"><a href="classEigen_1_1SparseView.html">Eigen::SparseView</a></div><div class="ttdoc">Expression of a dense or sparse matrix with zero or too small values removed.</div><div class="ttdef"><b>Definition:</b> SparseView.h:48</div></div>
<div class="ttc" id="aclassEigen_1_1SparseView_html_aa85f2be275fda7e7bb16829a933910da"><div class="ttname"><a href="classEigen_1_1SparseView.html#aa85f2be275fda7e7bb16829a933910da">Eigen::SparseView::nestedExpression</a></div><div class="ttdeci">const internal::remove_all_t&lt; MatrixTypeNested &gt; &amp; nestedExpression() const</div><div class="ttdef"><b>Definition:</b> SparseView.h:68</div></div>
<div class="ttc" id="agroup__SparseCore__Module_html_ga320dd291cbf4339c6118c41521b75350"><div class="ttname"><a href="group__SparseCore__Module.html#ga320dd291cbf4339c6118c41521b75350">Eigen::MatrixBase::sparseView</a></div><div class="ttdeci">const SparseView&lt; Derived &gt; sparseView(const Scalar &amp;m_reference=Scalar(0), const typename NumTraits&lt; Scalar &gt;::Real &amp;m_epsilon=NumTraits&lt; Scalar &gt;::dummy_precision()) const</div><div class="ttdef"><b>Definition:</b> SparseView.h:228</div></div>
<div class="ttc" id="agroup__flags_html_gae4f56c2a60bbe4bd2e44c5b19cbe8762"><div class="ttname"><a href="group__flags.html#gae4f56c2a60bbe4bd2e44c5b19cbe8762">Eigen::RowMajorBit</a></div><div class="ttdeci">const unsigned int RowMajorBit</div><div class="ttdef"><b>Definition:</b> Constants.h:68</div></div>
<div class="ttc" id="anamespaceEigen_html"><div class="ttname"><a href="namespaceEigen.html">Eigen</a></div><div class="ttdoc">Namespace containing all symbols from the Eigen library.</div><div class="ttdef"><b>Definition:</b> Core:139</div></div>
<div class="ttc" id="anamespaceEigen_html_a62e77e0933482dafde8fe197d9a2cfde"><div class="ttname"><a href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Eigen::Index</a></div><div class="ttdeci">EIGEN_DEFAULT_DENSE_INDEX_TYPE Index</div><div class="ttdoc">The Index type as used for the API.</div><div class="ttdef"><b>Definition:</b> Meta.h:59</div></div>
<div class="ttc" id="astructEigen_1_1EigenBase_html_a554f30542cc2316add4b1ea0a492ff02"><div class="ttname"><a href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Eigen::EigenBase&lt; SparseView&lt; MatrixType &gt; &gt;::Index</a></div><div class="ttdeci">Eigen::Index Index</div><div class="ttdoc">The interface type of indices.</div><div class="ttdef"><b>Definition:</b> EigenBase.h:41</div></div>
<div class="ttc" id="astructEigen_1_1NumTraits_html"><div class="ttname"><a href="structEigen_1_1NumTraits.html">Eigen::NumTraits</a></div><div class="ttdoc">Holds information about the various numeric (i.e. scalar) types allowed by Eigen.</div><div class="ttdef"><b>Definition:</b> NumTraits.h:231</div></div>
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